Home / 97,962.24-135,189.50-55,519.86

Finding the Fourth Proportional to 97,962.24, 135,189.50 and 55,519.86

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Solution

The fourth proportional to 97,962.24, 135,189.50 and 55,519.86 is: 76,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,962.24 : 135,189.50 = 55,519.86 : x
  2. Step 2: Convert to fraction form
    97,962.24/135,189.50 = 55,519.86/x
  3. Step 3: Cross multiply
    97,962.24x = 135,189.50 × 55,519.86
  4. Step 4: Simplify right side
    97,962.24x = 7,505,701,835.87
  5. Step 5: Solve for x
    x = 7,505,701,835.87/97,962.24
  6. Step 6: Final answer
    x = 76,618.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.